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DRA Systems: OR-Objects 1.2.4: Interface  VRPI
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drasys.or.graph.vrp</FONT>
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Interface  VRPI</H2>
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<DT><B>All Known Subinterfaces:</B> <DD><A HREF="../../../../drasys/or/graph/vrp/ConstructI.html">ConstructI</A>, <A HREF="../../../../drasys/or/graph/vrp/ImproveI.html">ImproveI</A></DD>
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<DT>public interface <B>VRPI</B></DL>

<P>
The interface used by all algorithms to access VRP algorithms.
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<CODE>&nbsp;double</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../drasys/or/graph/vrp/VRPI.html#getCost()">getCost</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the total cost of the solution tours.</TD>
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<CODE>&nbsp;double[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../drasys/or/graph/vrp/VRPI.html#getCosts()">getCosts</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the cost of each of the solution tours.</TD>
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<CODE>&nbsp;double[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../drasys/or/graph/vrp/VRPI.html#getLoads()">getLoads</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the load for each of the solution tours.</TD>
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<CODE>&nbsp;java.util.Vector[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../drasys/or/graph/vrp/VRPI.html#getTours()">getTours</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the solution tours generated by the algorithm.</TD>
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<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../drasys/or/graph/vrp/VRPI.html#setCapacityConstraint(double)">setCapacityConstraint</A></B>(double&nbsp;maxLoadPerVehicle)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the vehicle capacity constraint.</TD>
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<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../drasys/or/graph/vrp/VRPI.html#setCostConstraint(double)">setCostConstraint</A></B>(double&nbsp;maxCostPerVehicle)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the vehicle cost constraint.</TD>
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<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../drasys/or/graph/vrp/VRPI.html#setEdgeKey(java.lang.Object)">setEdgeKey</A></B>(java.lang.Object&nbsp;edgeKey)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the key used to select from parallel edges between vertices.</TD>
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<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../drasys/or/graph/vrp/VRPI.html#setGraph(drasys.or.graph.GraphI)">setGraph</A></B>(<A HREF="../../../../drasys/or/graph/GraphI.html">GraphI</A>&nbsp;graph)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the graph for the VRP algorithm.</TD>
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<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../drasys/or/graph/vrp/VRPI.html#setProperties(drasys.or.graph.PropertiesI)">setProperties</A></B>(<A HREF="../../../../drasys/or/graph/PropertiesI.html">PropertiesI</A>&nbsp;properties)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the properties object.</TD>
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<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../drasys/or/graph/vrp/VRPI.html#setVehicleCost(double)">setVehicleCost</A></B>(double&nbsp;vehicleCost)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the vehicle cost.</TD>
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<A NAME="setGraph(drasys.or.graph.GraphI)"><!-- --></A><H3>
setGraph</H3>
<PRE>
public void <B>setGraph</B>(<A HREF="../../../../drasys/or/graph/GraphI.html">GraphI</A>&nbsp;graph)</PRE>
<DL>
<DD>Sets the graph for the VRP algorithm.</DL>
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<A NAME="setVehicleCost(double)"><!-- --></A><H3>
setVehicleCost</H3>
<PRE>
public void <B>setVehicleCost</B>(double&nbsp;vehicleCost)</PRE>
<DL>
<DD>Sets the vehicle cost. Must be the same units as the edge traversal costs.</DL>
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<A NAME="setCostConstraint(double)"><!-- --></A><H3>
setCostConstraint</H3>
<PRE>
public void <B>setCostConstraint</B>(double&nbsp;maxCostPerVehicle)</PRE>
<DL>
<DD>Sets the vehicle cost constraint.</DL>
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<A NAME="setCapacityConstraint(double)"><!-- --></A><H3>
setCapacityConstraint</H3>
<PRE>
public void <B>setCapacityConstraint</B>(double&nbsp;maxLoadPerVehicle)</PRE>
<DL>
<DD>Sets the vehicle capacity constraint.</DL>
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<A NAME="setProperties(drasys.or.graph.PropertiesI)"><!-- --></A><H3>
setProperties</H3>
<PRE>
public void <B>setProperties</B>(<A HREF="../../../../drasys/or/graph/PropertiesI.html">PropertiesI</A>&nbsp;properties)</PRE>
<DL>
<DD>Sets the properties object.</DL>
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<A NAME="setEdgeKey(java.lang.Object)"><!-- --></A><H3>
setEdgeKey</H3>
<PRE>
public void <B>setEdgeKey</B>(java.lang.Object&nbsp;edgeKey)</PRE>
<DL>
<DD>Sets the key used to select from parallel edges between vertices.
The default value for 'edgeKey' is null.</DL>
<HR>

<A NAME="getCost()"><!-- --></A><H3>
getCost</H3>
<PRE>
public double <B>getCost</B>()
               throws <A HREF="../../../../drasys/or/graph/vrp/SolutionNotFoundException.html">SolutionNotFoundException</A></PRE>
<DL>
<DD>Returns the total cost of the solution tours.<DD><DL>
<DT><B>Throws:</B><DD><A HREF="../../../../drasys/or/graph/vrp/VRPError.html">VRPError</A> - if no solution was created.</DL>
</DD>
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<A NAME="getCosts()"><!-- --></A><H3>
getCosts</H3>
<PRE>
public double[] <B>getCosts</B>()
                  throws <A HREF="../../../../drasys/or/graph/vrp/SolutionNotFoundException.html">SolutionNotFoundException</A></PRE>
<DL>
<DD>Returns the cost of each of the solution tours.<DD><DL>
<DT><B>Throws:</B><DD><A HREF="../../../../drasys/or/graph/vrp/VRPError.html">VRPError</A> - if no solution was created.</DL>
</DD>
</DL>
<HR>

<A NAME="getLoads()"><!-- --></A><H3>
getLoads</H3>
<PRE>
public double[] <B>getLoads</B>()
                  throws <A HREF="../../../../drasys/or/graph/vrp/SolutionNotFoundException.html">SolutionNotFoundException</A></PRE>
<DL>
<DD>Returns the load for each of the solution tours.<DD><DL>
<DT><B>Throws:</B><DD><A HREF="../../../../drasys/or/graph/vrp/VRPError.html">VRPError</A> - if no solution was created.</DL>
</DD>
</DL>
<HR>

<A NAME="getTours()"><!-- --></A><H3>
getTours</H3>
<PRE>
public java.util.Vector[] <B>getTours</B>()
                            throws <A HREF="../../../../drasys/or/graph/vrp/SolutionNotFoundException.html">SolutionNotFoundException</A></PRE>
<DL>
<DD>Returns the solution tours generated by the algorithm.
Each tour vector contains all the edges and the vertices in alternating order 
starting and ending with a vertex.
The elements will always be arranged in the order of forward tour traversal.<DD><DL>
<DT><B>Throws:</B><DD><A HREF="../../../../drasys/or/graph/vrp/VRPError.html">VRPError</A> - if no solution was created.</DL>
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